Home / 15,418.44-21,276.63-9,044.15

Finding the Fourth Proportional to 15,418.44, 21,276.63 and 9,044.15

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Solution

The fourth proportional to 15,418.44, 21,276.63 and 9,044.15 is: 12,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,418.44 : 21,276.63 = 9,044.15 : x
  2. Step 2: Convert to fraction form
    15,418.44/21,276.63 = 9,044.15/x
  3. Step 3: Cross multiply
    15,418.44x = 21,276.63 × 9,044.15
  4. Step 4: Simplify right side
    15,418.44x = 192,428,926.83
  5. Step 5: Solve for x
    x = 192,428,926.83/15,418.44
  6. Step 6: Final answer
    x = 12,480.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.